53 results about "Lemon oil" patented technology

The invention relates to the technical field of daily chemical raw materials, and particularly discloses a soothing essential oil composition containing honeysuckle flower oil as well as a preparation method and application thereof. The soothing essential oil composition containing the honeysuckle flower oil is prepared by compounding the honeysuckle flower oil, schisandra chinensis oil, michelia alba flower oil, cypress oil, guaiacol, bergamot oil, green orange oil and spikenard oil. The traditional Chinese medicine composition has the advantage that the effect of relieving the emotion is quicker.

The invention discloses a compound fish oil emulsion for preventing cardiovascular diseases and a preparation process thereof, and relates to the technical field of fish oil emulsions. Comprising the following raw materials: fish oil, rice bran fatty alkanol, a blood protein peptide concentrated solution, red yeast rice, haws, lotus leaves, flammulina velutipes extract powder, sorbitol, glycerin, citric acid fatty acid ester, monoglyceride and diglyceride, sweet orange oil, lemon oil and vitamins. According to the compound fish oil emulsion for preventing cardiovascular diseases and the preparation process thereof, the fish oil is beneficial to blood fat regulation, the red yeast rice contains lovastatin and can reduce cholesterol, and the hawthorn and the lotus leaves assist in reducing blood fat and act together with the fish oil, so that the blood fat regulation effect is enhanced, the blood viscosity is reduced, and the risk of cardiovascular diseases is reduced; the fish oil provides Omega-3 fatty acid, the blood protein peptide concentrated solution provides protein, and the rice bran fatty alkanol has nutritional and health-care effects, so that the nutritional value of the product is increased through synergism of the fish oil, the blood protein peptide concentrated solution and the rice bran fatty alkanol, the human immunity is enhanced, and the body function is improved.

The invention relates to the field of cosmetic testing, in particular to a systematic evaluation method of a natural avocado extract-containing mouth fat composition, which comprises the following steps: mixing pulp with an extraction solvent, condensing and refluxing for 14-18 hours to obtain an avocado extract, adding allantoin for corrosion prevention, and storing; the fixed substrate comprises the following components: beeswax, paraffin, coconut oil, lake, lemon oil, vanillin, glyceryl monostearate, titanium dioxide, castor oil, wool fat and isopropyl palmitate, and an avocado extract is added to form a contrast formula; a multi-dimensional performance test pack is adopted, a non-linear correlation model is established, and the optimal adding proportion of the adding amount of the avocado extract is determined; and standardized testing. According to the method, three technical problems of fragmentation of evaluation dimensions, insufficient parameter association and lack of method standardization in the prior art are solved through a full-process framework of directional extraction, gradient formula, multi-dimensional test, parameter association and standardization specification.

The invention discloses a beverage shashi flavor and a preparation method thereof, and belongs to the technical field of beverage production, wherein the flavor is composed of propylene glycol, wintergreen oil, ethyl salicylate, methyl benzoate, ethyl benzoate, ethyl acetate, ethyl butyrate, ethyl lactate, ethyl levulinate, neryl acetate, sweet orange oil, lemon oil, citral, linalool, nonanal, methylcyclopentenolone, 2-acetylpyrazine, 2,3-dimethylpyrazine, ethyl maltol, maltol, furanone, vanillin, ethyl vanillin, piperonal, anisaldehyde, anisyl alcohol, ethyl damascone, methyl damascone, damascone, furfural and 5-methyl furfural. The formula is based on characteristic aroma as the theme fragrance, with burnt fragrance, burnt sweetness, sugar fragrance, and the base flavor is combined with trace raw materials of fruity fragrance, citrus, vanilla, and fermented fragrance, and the aroma of the flavor finally prepared is pure, comfortable, and realistic, and the mouthfeel is natural, natural, and the aftertaste is long.

A novel compound complex that has no side effects on a liver and is used to alleviate the toxicity of an acetaminophen (APAP) drug to the liver. The composition of the compound consists of (a) acetaminophen in a pharmaceutically effective amount and (b) a commonly-used safe and pharmaceutically acceptable excipient that can be combined with one or more of two drugs to reduce the toxicity of a drug metabolized by the hepatic enzyme CYP2E1 in the liver.The compound is selected from the following group: Tween 20, microcrystalline cellulose, dicalcium phosphate, polyoxyethylene 23 lauryl ether, saccharin, mannitol, polyoxyethylene alkyl ether, sucralose, pyrrolidone, sodium starch glycolate, S100 acrylic resin, sodium carboxymethylcellulose, polyoxyethylene polyoxyethylene, menthol, low-substituted propylcellulose hydrocarbon, pregelatinized starch, Dextrates NF hydrate, citric acid, polyoxyethylene castor oil, colloidal silicon, aliphatic polyethylene glycol monostearate ester, sorbic acid, lemon oil, hydroxypropylcellulose, sorbitol, acesulfame potassium, hypromellose phthalate, lactose monohydrate, maltodextrin, Brij 58, Brij 76, Tween 80, Tween 40, PEG 400, Peg 4000, PEG 2000, and the like, so as to reduce the side effects caused by acetaminophen on the liver.

The present application relates to the technical field of plant essential oil, and particularly discloses an essential oil composition and application thereof.The essential oil composition comprises the following components: carvacrol, thymol, lemon oil, peppermint oil, bay leaf oil, patchouli oil, geranium oil, perilla oil, cinnamon oil, clove oil and boldo oil.The essential oil composition provided by the present application is natural, environment-friendly, has good sterilization effect, comfortable smell, no obvious skin irritation, harmless to human body, and friendly to the environment, and can be applied to the preparation of antimicrobial products.

The invention provides a formula of refreshing essential oil containing blended bergamot and orange peel oil, and relates to the technical field of essential oil preparation. The invention discloses refreshing essential oil and a preparation method thereof, and aims to solve the technical problem that existing refreshing essential oil is difficult to consider safety, functionality and use convenience at the same time. The formula comprises the following components in parts by weight: core components: 3-12 parts of bergamot oil, 5-15 parts of orange peel oil, 60-85 parts of base oil, 0.5-3 parts of rosemary essential oil which can optionally contain a synergistic component, and 0.1-0.8 part of an antioxidant which is an auxiliary material. Wherein the bergamot oil is extracted by cold pressing, the temperature is less than or equal to 30 DEG C, impurities are less than or equal to 0.5%, and linalyl acetate is more than or equal to 35%; the orange peel oil is filtered after cold pressing, the impurity content is less than or equal to 0.3%, and the limonene content is more than or equal to 90%; the acid value of the base oil is less than or equal to 1.0 mgKOH / g, and the peroxide value is less than or equal to 5.0 meq / The preparation process comprises the steps of raw material pretreatment, component mixing, ultrasonic emulsification, standing and filtering. The product is suitable for office and driving scenes, the release half-life period of volatile components is 4-6 h, the product does not contain artificially synthesized essence, and the peak value ratio of limonene to linalyl acetate detected by gas chromatography is 2.5-4.0.

The invention belongs to the technical field of solid beverage production, and relates to an oriental cherry and lemon solid beverage and a preparation method thereof. The oriental cherry and lemon solid beverage comprises the following components in parts by weight: 200-300 parts of oriental cherry powder, 150-250 parts of erythritol powder, 30-40 parts of lemon juice powder, 12-16 parts of citric acid powder and 1-2 parts of lemon oil. The preparation method comprises the following steps: uniformly mixing the components according to the weight, adding distilled water which is 0.2 times of the total mass, and continuously stirring to form a wet material; then, swinging and granulating into wet granules, drying the wet granules by a fluidized bed until the moisture is lower than 5%, and sieving to obtain a finished product, namely the oriental cherry and lemon solid beverage. According to the characteristics that the oriental cherry is colored and tasteless, and the lemon juice is tasteful and colorless, the solid beverage with oriental cherry color and lemon flavor is prepared, through perfect combination of the oriental cherry color and lemon flavor, the monster phenomenon that oriental cherry food is free of oriental cherry is broken through, rapid development of the oriental cherry food industry is promoted, and the application prospect is wide.

The invention relates to the technical field of pool paint, in particular to anti-algae mildew-proof ecological pool paint. The invention discloses anti-algae and mildew-proof ecological pool paint. The coating is prepared from the following raw materials in parts by weight: 15 to 28 parts of acrylic resin, 8 to 15 parts of EVA (Ethylene Vinyl Acetate) resin, 1 to 3 parts of hydroxy propyl cellulose ether, 4 to 8 parts of filler, 8 to 12 parts of lemon oil, 7 to 15 parts of ethylene glycol, 2 to 5 parts of coupling agent, 1 to 4 parts of propylene glycol monomethyl ether, 0.5 to 1 part of defoaming agent, 0.5 to 2 parts of flatting agent, 0.3 to 0.8 part of preservative and 15 to 30 parts of water. And 3-7 parts by weight of an anti-algae mildew-proof additive. The anti-algae and mildew-proof ecological pool paint prepared by the invention has good anti-algae and mildew-proof effects, and also has a relatively good adhesion effect.

The invention discloses pericarpium citri reticulatae essence and a preparation method thereof. The essence comprises a citrus aroma main body, a terpene auxiliary agent, a medicinal aroma modifier, a flavor regulator, ethanol and the balance of a solvent, wherein the citrus fruity flavor main body comprises sweet orange oil, 5-fold sweet orange oil, lemon oil and white lemon oil, the medicinal stale flavor modifier comprises anise oil, terpilenol and beta-ionone, and ethyl enanthate, acetic acid, hexanoic acid or noottanone can be selectively added as a flavor enhancer. According to the essence, through the synergistic effect of all functional components, the compound fragrance of fresh fruit fragrance, mellow medicine fragrance and deep charring of Xinhui pericarpium citri reticulatae is precisely restored, and bad tastes such as rancidity, fuel consumption and scorched bitter taste generated by oxidation or coking of roasted nuts can be effectively covered. The preparation method comprises the steps of raw material pretreatment, step-by-step mixing and temperature-controlled aging, and the product is good in stability and suitable for high-temperature processing of nut products such as melon seeds, peanuts and cashew nuts.

This invention discloses a chlorine dioxide slow-release agent, its preparation process, and its applications. The raw materials include a solid phase and a liquid phase. The solid phase comprises a precursor, a gelling agent, an acidifying agent, a chelating agent, a calcium salt, and a forming agent. The liquid phase comprises lemon oil, an emulsifier, and a solvent. The chlorine dioxide slow-release agent of this invention has a long release time, and its concentration can be controlled within the national standard range. It can be applied to the fields of preservation and sterilization of agricultural and sideline products.

The present invention specifically relates to a lemon flavor composition and a preparation method and application thereof. The present invention discloses a lemon flavor composition, which comprises the following raw material components in parts by weight: 20 to 80 parts of plant essential oil, 30 to 50 parts of carrier, 0.05 to 0.1 parts of hydroxy fatty acid and 80 to 120 parts of solvent. The present invention uses any one of lemon oil, white lime oil, five times sweet orange oil and citrus peel essential oil or a mixture of two or more as the main active substance of the lemon flavor composition, giving the flavor composition a lemon flavor, which not only enhances the unique aroma and taste of the flavor composition, but also improves the comfort of the user, and is suitable for applications in personal care products and electronic atomization liquids.

This invention relates to the field of oral product technology, and in particular to a natural cola flavor base for oral products and its application. The flavor base of this invention is composed of sweet orange oil, lemon oil, white lemon oil, clove oil, cinnamon oil, and cassia oil. The method for determining the flavor base formulation includes: obtaining the content of each aroma component of a target cola flavoring and candidate natural flavorings; using the content of the key aroma component of the target flavoring as the dependent variable and the content of the corresponding component in the candidate natural flavorings as the independent variable, constructing a flavor base formulation prediction model to determine the proportion of natural flavorings added. This invention also provides oral products containing this flavor base and its preparation method. The natural cola flavor base of this invention uses all-natural ingredients and, through solvent-free design and elimination of easily discolored components, effectively improves the problems of easy discoloration, clumping, oil floating, and flavor instability in oral products during storage. The prepared oral products have excellent color stability, flavor harmony, and storage safety.

The invention belongs to the technical field of food processing, and particularly relates to stable type long-acting auxiliary lipid-lowering camellia diester edible oil and a preparation method of the stable type long-acting auxiliary lipid-lowering camellia diester edible oil. Comprising the following preparation raw materials in parts by mass: 25 to 30 parts of composite camellia diester oil, 3 to 5 parts of a blood fat reducing compound, 0.3 to 0.5 part of disodium ethylene diamine tetraacetate, 0.2 to 0.4 part of a theine phospholipid compound, 0.3 part of phytosterol, 0.5 to 1 part of royal jelly, 0.1 part of lemon oil, 0.05 part of inulin and 0.3 to 0.6 part of algae oil. The stable long-acting auxiliary lipid-lowering camellia diester edible oil provided by the invention realizes lipid-lowering-stabilization-nutrition three-dimensional balance: multi-component synergistic lipid-lowering, constructs an anti-oxidation system to guarantee stability, synchronously optimizes nutrition synergy and component activity, and realizes multi-component synergism.

The invention relates to the technical field of essence, and particularly discloses essence with an acarus killing function and a preparation method of the essence. The essence with the acarus killing function comprises the following components: a main perfume, a fixative, a modifier, a blending perfume, an acarus killing agent and a solvent. Wherein the modifier at least comprises polianthes tuberose absolute oil, peppermint oil, star anise oil, Roman chamomile oil and Argentina lemon oil, and the miticide comprises a melia azedarach extract, a sophora flavescens extract, a verbena extract and a salvia officinalis extract. The essence with the acarus killing function not only can provide pleasant fragrance experience, but also can effectively remove acarus in the use process, has both safety and environmental protection property, and meets the pursuit of consumers for healthy and quality life.

The invention relates to the technical field of edible essence. The invention discloses yoghourt essence and a preparation method thereof. The yoghourt essence is prepared from the following raw materials: ethyl maltol, vanillin, butanedione, acetic acid, ethyl acetate, propionic acid, 2, 3-pentanedione, 3-hydroxy-2-butanone, butyric acid, ethyl butyrate, isoamyl acetate, methyl thiobutyrate, hexanoic acid, ethyl hexanoate, 10% furanone, isoamyl butyrate, ethyl levulinate, linalool, alpha terpilenol, 4-terpinenol, nerol and citral. The invention relates to a natural plant essential oil which is prepared from geraniol, neryl acetate, geranyl acetate, D-limonene, lemon oil, distilled white lemon oil, sweet orange oil, glycerol triacetate, a rosemary extract and a bitter gourd extract. The flavor of the yoghurt essence prepared by the invention is closer to that of real yoghurt, and the yoghurt essence is good in thermal stability and good in flavor durability.

The invention relates to the field of essence, in particular to an essence composition with a formaldehyde removal function and a preparation method of the essence composition. The essence composition with the formaldehyde removal function is prepared from the following components in percentage by mass: 0.1 to 1 percent of vetiver oil, 0.05 to 0.5 percent of olive oil, 1 to 5 percent of lemon oil, 3 to 8 percent of pine needle oil, 1 to 5 percent of eucalyptus oil, 3 to 8 percent of rosemary oil, 28 to 32 percent of ambrotone, 0.05 to 0.2 percent of thymol, 0.1 to 1 percent of camphor, 3 to 8 percent of modifier, 2 to 7 percent of fixative and solvent. The formaldehyde removal effect of the essence composition can be effectively improved, and the essence composition has long-acting stability.

The invention provides multifunctional shampoo containing traditional Chinese medicine components and a preparation method of the multifunctional shampoo, and belongs to the technical field of biology and new medicine. The mosquito-repellent incense is prepared from the following raw materials in parts by weight: 0.0001 to 1 part of herba pogostemonis extract, 0.0001 to 1 part of rhizoma ligustici sinensis extract, 0.0001 to 1 part of folium platycladi extract, 0.11 to 1 part of herba spirodelae extract, 0.11 to 1 part of rhizoma acori graminei extract, 0.0001 to 1 part of fructus chebulae extract, 0.0001 to 1 part of lysimachia foenum-graecum extract, 0.0001 to 1 part of chayote extract, 0.16 to 1 part of rosemary essential oil, 0.1 to 0.3 part of bergamot oil, 0.1 to 0.3 part of peppermint oil, 40 to 60 parts of water and 25 to 35 parts of auxiliaries. According to the principle of monarch, minister, assistant and guide of traditional Chinese medicine, the raw materials have a synergistic effect to clean and purify scalp, promote hair follicle growth, stabilize hair, regulate scalp grease secretion balance and provide a healthy breathing head environment for the hair.

The invention relates to the technical field of raw materials of oral cleaning products, and particularly discloses peppermint essence beneficial to relieving ozostomia as well as a preparation method and application of the peppermint essence. The peppermint essence helpful for relieving halitosis comprises the following components in parts by mass: 53.4-63 parts of a composite aroma composition; 9.1 to 12.1 parts of a composite antibacterial composition; 24.9 to 37.5 parts of an organic solvent; the compound antibacterial composition is compounded by persimmon fruit extract, spearmint oil, lemon oil, clove leaf oil, wild chrysanthemum absolute oil and wintergreen oil. The traditional Chinese medicine composition has the advantages of better inhibiting gram-negative anaerobic flora in the oral cavity and reducing the irritation to the oral cavity.

The application relates to the technical field of edible essence. The application discloses a yogurt essence and a preparation method thereof. The raw material composition of the yogurt essence comprises ethyl maltol, vanillin, butanedione, acetic acid, ethyl acetate, propionic acid, 2,3-pentanedione, 3-hydroxy-2-butanone, butyric acid, ethyl butyrate, isoamyl acetate, methyl thio butyrate, hexanoic acid, ethyl hexanoate, 10% furanone, isoamyl butyrate, ethyl levulinate, linalool, p-cymene, 4-terpinenol, nerol, citral, geraniol, neryl acetate, geranyl acetate, D-limonene, lemon oil, distilled white lemon oil, sweet orange oil, glycerol triacetate, rosemary extract and bitter gourd extract. The yogurt essence prepared by the application has a flavor closer to real yogurt, good thermal stability and good flavor persistence.

The invention relates to the technical field of raw materials of skin care products, and particularly discloses a refreshing essence composition containing platycladus orientalis essential oil as well as a preparation method and application of the refreshing essence composition. The refreshing essence composition containing the platycladus orientalis essential oil is prepared by compounding the platycladus orientalis essential oil, peppermint oil, clove oil, pine needle oil, white lemon oil and zanthoxylum oil. The method has the advantage that the refreshing effect is further improved.

The present application relates to a cleaner for reducing greenhouse gas methane emissions from a septic tank. The cleaner comprises, in percentage by weight: 1-5 wt% of an aloe extract, no more than 1 wt% of a seawater-extracted mineral element, 1-10 wt% of sodium carbonate, 1-10 wt% of sodium bicarbonate, 1-10 wt% of sodium thiosulfate, 1-5 wt% of citric acid, 1-3 wt% of lemon oil, 1-7 wt% of an ionic surfactant, 1-5 wt% of calcium oxide, and pure water added to make up to a total of 100 wt%. By putting the cleaner of the present application into a septic tank, methanogenic bacteria in the septic tank can be effectively inhibited, thereby achieving the effect of reducing greenhouse gas methane emissions, relieving the environmental pressure, mitigating the impact of climate variation, and contributing to environmentally sustainable development.

The present application relates to the field of flavors and fragrances, and specifically discloses a mood-comforting air-scented fragrance and a preparation method thereof. A mood-comforting air-scented fragrance, comprising the following components in parts by weight: 0.1-1 part of nerol; 0.1-1 part of citral; 0.1-1 part of red tangerine oil; 0.5-1 part of cyclohexadecenone; 10-15 parts of ambergris; 0.1-1 part of white lemon oil; 0.5-1 part of ethyl ionone; 5-10 parts of musk T; 2-10 parts of methyl dihydrojasmonate; 11-18 parts of soothing composition; 3-5 parts of ethyl linalool; 50-60 parts of isopropyl myristate; its preparation method is: each raw material is placed in a stirring container and stirred and mixed, and after stirring and mixing evenly, the obtained mixed liquid is subjected to high-pressure homogenization to obtain a mood-comforting air-scented fragrance. The mood-comforting air-scented fragrance of the present application has excellent low-temperature storage resistance and a stable and excellent overall fragrance release effect.

To provide a carbonated beverage that exhibits improved carbonation sensation and refreshment derived from carbon dioxide.SOLUTION: The present invention provides: a carbonated beverage comprising 0.5-4.0 ppm of sabinene, without containing either lemon oil or key lime oil; a carbonated beverage comprising 0.5-4.0 ppm of sabinene and exhibiting a lemon flavor; and a method for producing a carbonated beverage, to which one or more flavoring agents selected from the group consisting of α-bisabolol and sabinene are added to adjust the concentration of α-bisabolol in the beverage to 0.25-2.0 ppm or the concentration of sabinene in the beverage to 0.5-4.0 ppm (excluding cases where a flavoring agent containing lemon oil or key lime oil is added to adjust the concentration of sabinene in the beverage to 0.5-4.0 ppm or a flavoring agent containing Persian lime oil is added to adjust the concentration of α-bisabolol in the beverage to 0.25-2.0 ppm.SELECTED DRAWING: None

The invention discloses an extraoral abrasive material preparation and a preparation method thereof, comprising: 20% to 40% natural mineral powder, the natural mineral powder is at least one of bentonite, talcum powder, and dolomite powder, 5% to 20% plant extract, the plant extract is at least one of green tea extract and licorice extract, 5% to 15% moisturizer, the moisturizer is at least one of glycerin and propylene glycol, 1% to 10% adhesive, the adhesive is at least one of sodium alginate and gelatin, 1% to 5% natural flavor, the natural flavor is at least one of peppermint oil and lemon oil. An extraoral abrasive material preparation and a preparation method thereof according to an embodiment of the invention can effectively remove dirt and deposits on the surface of teeth, and has an obvious cleaning effect, but will not cause excessive wear or stimulation to tooth enamel. Moreover, the preparation adopts natural minerals and plant extracts, avoids the use of chemical components, and has higher safety and fewer side effects.

The invention provides gynura formosana herbal tea and a preparation method thereof. Belongs to the field of beverage food, and the preparation method provided by the invention comprises the following steps: S1, airing and drying gynura formosana until the water content is lower than 11%, taking the dried gynura formosana and dried chrysanthemum to form a herbal tea composition, and soaking the herbal tea composition in water containing citric acid and L-ascorbic acid for cleaning; s2, taking the cleaned herbal tea composition, cutting into segments, adding water into the herbal tea composition, sterilizing, and cooling to room temperature; s3, inoculating a lactobacillus plantarum seed solution into the herbal tea composition in the step S2, and performing anaerobic fermentation; s4, cellulase and pectinase are added into the materials in the step S3, after enzymolysis, the temperature is increased to 85 DEG C, the reaction is stopped, and enzymatic hydrolysate is obtained; s5, honey and lemon oil are added into the enzymatic hydrolysate, and the gynura formosana herbal tea is obtained; and S6, filling and performing pasteurization. By adopting the preparation method provided by the invention, the taste and flavor of the gynura formosana herbal tea can be effectively improved.

The invention discloses cola-flavor essence which is prepared from lemon oil, white lemon oil, sweet orange oil, cinnamon oil, clove bud oil, terpilenol, spearmint oil, borneol and menthol. The essence prepared from all natural raw materials has cola flavor fragrance, and has a good inhibition effect on staphylococcus aureus, escherichia coli, pseudomonas aeruginosa, aspergillus niger and streptococcus mutans.

This application relates to the field of fragrances, and more specifically, to a fragrance composition with formaldehyde removal capabilities and its preparation method. The fragrance composition with formaldehyde removal capabilities comprises the following components, by mass percentage: 0.1-1% vetiver oil, 0.05-0.5% elemi oil, 1-5% lemon oil, 3-8% pine needle oil, 1-5% eucalyptus oil, 3-8% rosemary oil, 28-32% ambergris, 0.05-0.2% thymol, 0.1-1% camphor, 3-8% modifier, 2-7% fixative, and a solvent. This application can effectively improve the formaldehyde removal effectiveness of the fragrance composition and provide long-term stability.

The utility model discloses lemon oil extracting and drying equipment which comprises a bottom frame, a drying assembly is arranged on the bottom frame, the drying assembly comprises a device body, a fan, an exhaust pipe, a motor and a stirring rod, the device body is arranged on the bottom frame, the fan is installed at one end of the device body, the exhaust pipe is arranged at the other end of the device body, and the motor is arranged on the bottom frame. The motor is arranged at the bottom of the device body, the stirring rod is connected to the output end of the motor, the exhaust pipe is provided with an adjusting assembly, the adjusting assembly comprises a connecting pipe, a pulling rod and a rotating groove, the connecting pipe is arranged on the exhaust pipe, the pulling rod is slidably connected to the connecting pipe, the rotating groove is formed in the connecting pipe, and the pulling rod is slidably connected to the rotating groove. The technical problem that many traditional drying devices mentioned in the background technology cannot ensure uniform heating of lemon oil in the drying process is solved.